CN109306548A - A kind of preparation method of regenerated fiber - Google Patents
A kind of preparation method of regenerated fiber Download PDFInfo
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- CN109306548A CN109306548A CN201811067247.XA CN201811067247A CN109306548A CN 109306548 A CN109306548 A CN 109306548A CN 201811067247 A CN201811067247 A CN 201811067247A CN 109306548 A CN109306548 A CN 109306548A
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- Prior art keywords
- preparation
- polyester fiber
- regenerated fiber
- master batch
- graphene
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/07—Addition of substances to the spinning solution or to the melt for making fire- or flame-proof filaments
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/18—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from other substances
Abstract
The invention discloses a kind of preparation methods of regenerated fiber, include the following steps: the first step, scrap feed material preliminary treatment；Second step, mixing, and melt pelletization；Third step prepares graphene master batch；4th step, mixed and modified polyester fiber master batch and graphene master batch simultaneously melt, blended, obtain regenerating and modifying polyester fiber；5th step carries out shredding, combing, cross lapping, carries out cutting beam packaging later.The present invention is directed to the raising of material quality, using raw material mixed process is carried out under vacuum conditions, is sufficiently mixed, improves final product quality.Phosphorus polymers is added using spraying method, such as triphenyl phosphate or trimethyl phosphate, one side phosphorus polymers can effectively inhibit the irreversible decomposition of polyester fiber under the high temperature conditions, avoid the destruction of its ester functional groups, on the other hand, oxidation reaction occurs for phosphorus polymers and graphene, has the function of cooperative flame retardant.In addition, the regenerated fiber prepared through the invention has antistatic, antibacterial effect.
Description
Technical field
The present invention relates to textile manufacturing fields, and in particular to a kind of preparation method of regenerated fiber.
Background technique
Polyester (PET) is used as a kind of thermoplastic semi-crystalline high molecular material, with superior abrasion resistance and dimensional stability
Feature is widely used in a variety of applications.With the development of science and technology the requirement and standard to polyester fiber are also being continuously improved, tool
It include the performances such as elasticity, intensity, waterproof, heat preservation in terms of body.And blended is to solve the problems, such as that this more effective and feasible industry is lifted
It arranges.
It is advocated energy-saving and emission-reduction, environmental protection, resource-effective age in the whole people, the environmental consciousness of people and to the utilization of resources
Understanding gradually deeply.Especially disappear to waste and old clothing, fastly product such as facial mask, and the product that disappear fastly pass through or used are thrown away on the spot
Fall, causes the waste of resource unavoidably.In turn, how to be disappeared fastly product using waste and old clothes and disposable exhaust gas, it is made to assign new property
New value can and be generated, is the theme for being worth research.
In the prior art, more using waste and old clothes, and utilize the product that disappear fastly less.Also, regenerated fiber often exists
Many defects, for example, fluffy degree is poor, the end of a thread is more, out-of-flatness, mixing thermal degradation be difficult to combine two kinds and it is two or more not
Congener fiber, function do not catch up with consumer demand etc..
Summary of the invention
The present invention provides a kind of preparation method of regenerated fiber, and a kind of multiple functional, quality height is prepared using this method,
Can product fire-retardant, fungi-proofing, without electrostatic, with solve in the prior art composite fibre be difficult to the blank being pyrolyzed, the product that disappear fastly utilize, function
Problem that can not be complete.
Technical scheme is as follows:
A kind of preparation method of regenerated fiber, includes the following steps:
The first step crushes the obsolete material containing polyester fiber and containing mint fibers respectively, then carries out clear
It washes, mix, mixed polyester fiber is dried with mint fibers；
Second step under vacuum conditions sends phosphorus polymers in the first step by being dried polyester fiber and peppermint forth
In fiber mixed-powder, and melt pelletization is carried out, obtains modified polyester fiber master batch；
Third step, the graphene by surface Jing Guo sulfonic acid group functionalization are stirred, disperse, and prepare graphene grain
Then son prepares graphene master batch by extruder；
The modified polyester fiber master batch and the graphene master batch are carried out melting mixing, are melted later by the 4th step
Melt blended, obtains regenerating and modifying polyester fiber；
Regenerating and modifying polyester fiber is carried out shredding, combing, cross lapping by the 5th step, carries out cutting beam packaging later.
Preferably, in the first step: described to crush including coarse crushing, fine crushing and micro- broken, obtained particle size range difference
It is 1000-10000 μm, 50-100 μm, 1-5 μm.
Preferably, in the first step: the cleaning includes wave cleaning and eccentric cleaning.
Preferably, vibratory cleaning is carried out while the wave cleans；The centrifugal rotational speed of the eccentric cleaning is 3000-
5000r/min。
Preferably, in the first step: described to be dried as vacuum drying, vacuum degree 0.2-0.8MPa, dry temperature
Degree is 100-120 DEG C, a length of 40-50min when dry.
Preferably, in the second step: the temperature of the melt pelletization is 220-245 DEG C.
Preferably, in the second step: the phosphorus polymers is phosphoric acid, phosphorous acid, ortho phosphorous acid, pyrophosphoric acid, ammonium phosphate, phosphorus
Sour trimethyl, dimethyl phosphate, triphenyl phosphate, diphenyl phosphate, triphenyl phosphite, diphenyl phosphite, ammonium phosphite,
Ammonium dihydrogen phosphate is one such or a variety of.
Preferably, the phosphorus polymers additive amount is 15-20wt%.
Preferably, the vacuum degree of the vacuum spraying is 0.5-1.5MPa.
Preferably, in the third step: the extruder is cold-extruded die mould extrusion equipment.
The present invention has the following beneficial effects: compared with the prior art
The present invention uses the method gradually crushed, particle diameter distribution thorough to the processing of waste material for the preliminary treatment of waste material
Uniformly；Wave cleaning is carried out later and combines Rapping apparatus, primarily to it is thorough to separate impurity with polyester fiber and mint fibers
Bottom, it is preliminary to remove the higher impurity of specific gravity in waste material；Eccentric cleaning is carried out again, completes the clear of waste material while completely removing impurity
Clean processing, high-efficient, effect is good.In addition, larger using vacuum environment water translocation differential force, drying efficiency is high, also, reduces
Temperature difference is to guarantee fibre structure not by high temperature.
The present invention is the key that the uniformly mixed journey for improving final product quality, especially raw material components for the high raw material of quality
Degree influences very big problem to final product quality, using raw material mixed process is carried out under vacuum conditions, preferably disperses various
Component mixes them thoroughly, and improves final product quality.In addition to this, phosphorus polymers, such as triphenyl phosphate are added using spraying method
Or trimethyl phosphate, one side phosphorus polymers can effectively inhibit the irreversible decomposition of polyester fiber under the high temperature conditions, avoid it
Oxidation reaction occurs for the destruction of ester functional groups, on the other hand, phosphorus polymers and graphene, has the function of cooperative flame retardant.
The present invention is using graphene particle is added in fibre blend, not merely with the electric conductivity of graphene, by fiber
On charge quickly guide, prevent product, for example, clothing electrostatic generation, while also using the association of graphene Yu phosphorus polymers
Same fire retardation increases using effect.
The present invention, which adds mint fibers, the effect of antibacterial insect prevention, due to polyester fiber and mint fibers thermal degradation temperature
It differs more, cannot effectively carry out hot fusion, by applicant long-term experiment and exploration, add phosphorus polymers and capture the technology
Problem, also, phosphorus polymers and graphene generate synergistic effect, are the researches of technique of killing three birds with one stone using graphene antistatic.This
Outside, mint fibers are widely used in storage Essence in one-time consumption product facial mask, have the function of facial mask antibacterial, and use
Later it just throws away, causes to waste unavoidably, be mixed into polyester fiber using method of the invention, not only can solve resource
Waste problem, while improving the functionality of regenerated fiber.
Specific embodiment
The present invention will be described in detail below:
Embodiment 1
A kind of preparation method of regenerated fiber, which comprises the steps of:
Obsolete material containing polyester fiber and containing mint fibers is crushed respectively, obtains partial size and exist by the first step
Coarse crushing, broken middle partial size fine crushing and micro- are respectively 1000 μm, 50 μm and 1 μm of raw material, then progress wave cleaning, in the present invention
Wave cleaning is the cleaning method that the water flow with vibration fluctuates up and down；It is centrifuged later, centrifugal rotational speed 5000r/
Min, it is therefore an objective to remove the specific gravity impurity different from fiber, obtain raw mixture, carry out vacuum drying treatment, vacuum degree is
0.2MPa, drying temperature are 100 DEG C, time 40min.
Second step uses very reciprocal of duty cycle for the vacuum spraying under 1.5MPa operating condition, by phosphorus polymers, specially phosphorous triphenyl phosphate
Ester, content 20wt% are sent forth by being dried in polyester fiber and mint fibers mixed-powder in the upper first step, and
Melt pelletization is carried out, melting temperature is 220 DEG C, obtains modified polyester fiber master batch.
Third step, the graphene by surface Jing Guo sulfonic acid group functionalization are stirred, disperse, and prepare graphene grain
Then son prepares graphene master batch by cold-extruded die mould extrusion equipment.
The modified polyester fiber master batch and the graphene master batch are carried out melting mixing, are melted later by the 4th step
Melt blended, obtains regenerating and modifying polyester fiber.
Regenerating and modifying polyester fiber is carried out shredding, combing, cross lapping by the 5th step, carries out cutting beam packaging later.
Embodiment 2
A kind of preparation method of regenerated fiber, which comprises the steps of:
Obsolete material containing polyester fiber and containing mint fibers is crushed respectively, obtains partial size and exist by the first step
Just broken middle partial size broken, fine crushing and micro- is respectively 10000 μm, 100 μm and 5 μm of raw material, then progress wave cleaning, in the present invention
Wave cleaning be with vibration water flow up and down fluctuate cleaning method；It is centrifuged later, centrifugal rotational speed 3000r/
Min, it is therefore an objective to remove the specific gravity impurity different from fiber, obtain raw mixture, carry out vacuum drying treatment, vacuum degree is
0.8MPa, drying temperature are 120 DEG C, time 50min.
Second step uses very reciprocal of duty cycle for the vacuum spraying under 0.5MPa operating condition, by phosphorus polymers, specially phosphorous triphenyl phosphate
Ester, content 15wt% are sent forth by being dried in polyester fiber and mint fibers mixed-powder in the upper first step, and
Melt pelletization is carried out, melting temperature is 245 DEG C, obtains modified polyester fiber master batch.
Third step, the graphene by surface Jing Guo sulfonic acid group functionalization are stirred, disperse, and prepare graphene grain
Then son prepares graphene master batch by cold-extruded die mould extrusion equipment.
The modified polyester fiber master batch and the graphene master batch are carried out melting mixing, are melted later by the 4th step
Melt blended, obtains regenerating and modifying polyester fiber.
Regenerating and modifying polyester fiber is carried out shredding, combing, cross lapping by the 5th step, carries out cutting beam packaging later.
Embodiment 3
A kind of preparation method of regenerated fiber, which comprises the steps of:
Obsolete material containing polyester fiber and containing mint fibers is crushed respectively, obtains partial size and exist by the first step
Just broken middle partial size broken, fine crushing and micro- is respectively 5000 μm, 50 μm and 3 μm of raw material, then progress wave cleaning, in the present invention
Wave cleaning is the cleaning method that the water flow with vibration fluctuates up and down；It is centrifuged later, centrifugal rotational speed 4500r/
Min, it is therefore an objective to remove the specific gravity impurity different from fiber, obtain raw mixture, carry out vacuum drying treatment, vacuum degree is
0.5MPa, drying temperature are 115 DEG C, time 45min.
Second step uses very reciprocal of duty cycle for the vacuum spraying under 1.0MPa operating condition, by phosphorus polymers, specially phosphorous triphenyl phosphate
Ester, content 18wt% are sent forth by being dried in polyester fiber and mint fibers mixed-powder in the upper first step, and
Melt pelletization is carried out, melting temperature is 230 DEG C, obtains modified polyester fiber master batch.
Third step, the graphene by surface Jing Guo sulfonic acid group functionalization are stirred, disperse, and prepare graphene grain
Then son prepares graphene master batch by cold-extruded die mould extrusion equipment.
The modified polyester fiber master batch and the graphene master batch are carried out melting mixing, are melted later by the 4th step
Melt blended, obtains regenerating and modifying polyester fiber.
Regenerating and modifying polyester fiber is carried out shredding, combing, cross lapping by the 5th step, carries out cutting beam packaging later.
The fiber that the regeneration blend fibre and existing market that Examples 1 to 3 is prepared by the method for the invention are generally sold
The performance test results are as shown in table 1:
1 Examples 1 to 3 the performance test results of table
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Existing fiber |
| Grammes per square metre (g/m2) | 115 | 117 | 120 | 90 |
| Vapor transfer rate g/ (m2·d) | 2139.0 | 2154.2 | 1689.3 | 1521.7 |
| Gold staphylococcus inhibiting rate (%) | 80 | 79 | 83 | 20 |
| Fungi inhibiting rate (%) | 85 | 88 | 91 | 18 |
| Dust mite inhibiting rate (%) | 78 | 81 | 82 | 22 |
| Resistivity Ω cm | 103 | 103 | 103 | 104 |
| Breaking strength CN/dtex | 3.5 | 3.3 | 3.8 | 4.0 |
The above is only a preferred embodiment of the present invention, not thereby limits scope of patent protection of the invention, all fortune
The equivalent structure transformation made by present specification is directly or indirectly used in other related technical areas, together
Reason includes within the scope of the present invention.
Claims (10)
1. a kind of preparation method of regenerated fiber, which comprises the steps of:
Obsolete material containing polyester fiber and containing mint fibers is crushed respectively, is then cleaned, mixed by the first step
It closes, mixed polyester fiber is dried with mint fibers；
Second step under vacuum conditions sends phosphorus polymers in the first step by being dried polyester fiber and mint fibers forth
In mixed-powder, and melt pelletization is carried out, obtains modified polyester fiber master batch；
Third step, the graphene by surface Jing Guo sulfonic acid group functionalization are stirred, disperse, and prepare graphene particle,
Then graphene master batch is prepared by extruder；
The modified polyester fiber master batch and the graphene master batch are carried out melting mixing, it is mixed to carry out melting later by the 4th step
It spins, obtains regenerating and modifying polyester fiber；
The regenerating and modifying polyester fiber is carried out shredding, combing, cross lapping by the 5th step, carries out cutting beam packaging later.
2. a kind of preparation method of regenerated fiber according to claim 1, which is characterized in that in the first step: described
Crushing includes coarse crushing, fine crushing and micro- broken, and obtained particle size range is respectively 1000-10000 μm, 50-100 μm, 1-5 μm.
3. a kind of preparation method of regenerated fiber according to claim 1, which is characterized in that in the first step: described
Cleaning includes wave cleaning and eccentric cleaning.
4. a kind of preparation method of regenerated fiber according to claim 3, which is characterized in that while the wave cleans
Carry out vibratory cleaning；The centrifugal rotational speed of the eccentric cleaning is 3000-5000r/min.
5. a kind of preparation method of regenerated fiber according to claim 1, which is characterized in that in the first step: described
It is dried to be dried in vacuo, vacuum degree 0.2-0.8MPa, drying temperature is 100-120 DEG C, a length of 40-50min when dry.
6. a kind of preparation method of regenerated fiber according to claim 1, which is characterized in that in the second step: described
The temperature of melt pelletization is 220-245 DEG C.
7. a kind of preparation method of regenerated fiber according to claim 1, which is characterized in that in the second step: described
Phosphorus polymers be phosphoric acid, phosphorous acid, ortho phosphorous acid, pyrophosphoric acid, ammonium phosphate, trimethyl phosphate, dimethyl phosphate, triphenyl phosphate,
Diphenyl phosphate, triphenyl phosphite, diphenyl phosphite, ammonium phosphite, ammonium dihydrogen phosphate are one such or a variety of.
8. a kind of preparation method of regenerated fiber according to claim 1 or claim 7, which is characterized in that the phosphorus polymers addition
Amount is 15-20wt%.
9. a kind of preparation method of regenerated fiber according to claim 1, which is characterized in that the vacuum of the vacuum spraying
Degree is 0.5-1.5MPa.
10. a kind of preparation method of regenerated fiber according to claim 1 or claim 7, which is characterized in that in the third step:
The extruder is cold-extruded die mould extrusion equipment.
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| CN201811067247.XA CN109306548A (en) | 2018-09-13 | 2018-09-13 | A kind of preparation method of regenerated fiber |
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| CN201811067247.XA CN109306548A (en) | 2018-09-13 | 2018-09-13 | A kind of preparation method of regenerated fiber |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111088594A (en) * | 2019-12-31 | 2020-05-01 | 常熟市欣鑫经纬编有限公司 | Regenerated fiber fabric |
| CN111155195A (en) * | 2019-12-31 | 2020-05-15 | 福建经纬新纤科技实业有限公司 | Production method of high-strength graphene-enhanced polyester staple fibers |
| CN111544310A (en) * | 2020-05-28 | 2020-08-18 | 安徽省天助纺织科技集团股份有限公司 | Non-irritant antibacterial disinfectant wet tissue and preparation method thereof |
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| CN111088594A (en) * | 2019-12-31 | 2020-05-01 | 常熟市欣鑫经纬编有限公司 | Regenerated fiber fabric |
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